I'm seeing the following crash when running ContentShellTests on Android.
Fairly certain this crash is causing all the test failures on the Chromium.Android waterfall.

For example
https://uberchromegw.corp.google.com/i/chromium.android/builders/Lollipop%20Phone%20Tester


I/WindowState(28999): WIN DEATH: Window{181f4bc0 u0 SurfaceView EXITING}
I/DEBUG   ( 2457): *** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***
I/DEBUG   ( 2457): Build fingerprint: 'google/hammerhead/hammerhead:5.1.1/LMY48T/2237560:userdebug/dev-keys'
I/DEBUG   ( 2457): Revision: '11'
I/DEBUG   ( 2457): ABI: 'arm'
I/DEBUG   ( 2457): pid: 2559, tid: 2583, name: CrRendererMain  >>> org.chromium.content_shell_apk:sandboxed_process0 <<<
I/DEBUG   ( 2457): signal 6 (SIGABRT), code -6 (SI_TKILL), fault addr --------
I/DEBUG   ( 2457): Abort message: 'frameworks/av/media/libstagefright/OMXClient.cpp:403 CHECK(service.get() != NULL) failed.'
I/DEBUG   ( 2457):     r0 00000000  r1 00000a17  r2 00000006  r3 00000000
I/DEBUG   ( 2457):     r4 4375cdb8  r5 00000006  r6 0000000e  r7 0000010c
I/DEBUG   ( 2457):     r8 b2e602e0  r9 b6979601  sl 4375a8fc  fp b6979601
I/DEBUG   ( 2457):     ip 00000a17  sp 4375a3b8  lr b68fa3c5  pc b691d178  cpsr 600d0010
I/DEBUG   ( 2457): 
I/DEBUG   ( 2457): backtrace:
I/DEBUG   ( 2457):     #00 pc 0003a178  /system/lib/libc.so (tgkill+12)
I/DEBUG   ( 2457):     #01 pc 000173c1  /system/lib/libc.so (pthread_kill+52)
I/DEBUG   ( 2457):     #02 pc 00017fd3  /system/lib/libc.so (raise+10)
I/DEBUG   ( 2457):     #03 pc 00014795  /system/lib/libc.so (__libc_android_abort+36)
I/DEBUG   ( 2457):     #04 pc 00012f44  /system/lib/libc.so (abort+4)
I/DEBUG   ( 2457):     #05 pc 00007b61  /system/lib/libcutils.so (__android_log_assert+88)
I/DEBUG   ( 2457):     #06 pc 0008ca71  /system/lib/libstagefright.so (android::OMXClient::connect()+128)
I/DEBUG   ( 2457):     #07 pc 00085c75  /system/lib/libstagefright.so (android::MediaCodecList::parseTopLevelXMLFile(char const*)+64)
I/DEBUG   ( 2457):     #08 pc 00085e5f  /system/lib/libstagefright.so (android::MediaCodecList::MediaCodecList()+122)
I/DEBUG   ( 2457):     #09 pc 00085ea5  /system/lib/libstagefright.so (android::MediaCodecList::getLocalInstance()+36)
I/DEBUG   ( 2457):     #10 pc 00086021  /system/lib/libstagefright.so (android::MediaCodecList::getInstance()+288)
I/DEBUG   ( 2457):     #11 pc 00018f17  /system/lib/libmedia_jni.so
I/DEBUG   ( 2457):     #12 pc 00018fc9  /system/lib/libmedia_jni.so
I/DEBUG   ( 2457):     #13 pc 0001a685  /data/dalvik-cache/arm/system@framework@boot.oat
W/ActivityManager(28999): Exception when unbinding service org.chromium.content_shell_apk/org.chromium.content.app.PrivilegedProcessService0
W/ActivityManager(28999): android.os.DeadObjectException
W/ActivityManager(28999): 	at android.os.BinderProxy.transactNative(Native Method)
W/ActivityManager(28999): 	at android.os.BinderProxy.transact(Binder.java:496)
W/ActivityManager(28999): 	at android.app.ApplicationThreadProxy.scheduleUnbindService(ApplicationThreadNative.java:921)
W/ActivityManager(28999): 	at com.android.server.am.ActiveServices.removeConnectionLocked(ActiveServices.java:1795)
W/ActivityManager(28999): 	at com.android.server.am.ActiveServices.killServicesLocked(ActiveServices.java:2193)
W/ActivityManager(28999): 	at com.android.server.am.ActivityManagerService.cleanUpApplicationRecordLocked(ActivityManagerService.java:14907)
W/ActivityManager(28999): 	at com.android.server.am.ActivityManagerService.handleAppDiedLocked(ActivityManagerService.java:4557)
W/ActivityManager(28999): 	at com.android.server.am.ActivityManagerService.removeProcessLocked(ActivityManagerService.java:5794)
W/ActivityManager(28999): 	at com.android.server.am.ActivityManagerService.killPackageProcessesLocked(ActivityManagerService.java:5599)
W/ActivityManager(28999): 	at com.android.server.am.ActivityManagerService.forceStopPackageLocked(ActivityManagerService.java:5660)
W/ActivityManager(28999): 	at com.android.server.am.ActivityManagerService.finishInstrumentationLocked(ActivityManagerService.java:16572)
W/ActivityManager(28999): 	at com.android.server.am.ActivityManagerService.finishInstrumentation(ActivityManagerService.java:16591)
W/ActivityManager(28999): 	at android.app.ActivityManagerNative.onTransact(ActivityManagerNative.java:1030)
W/ActivityManager(28999): 	at com.android.server.am.ActivityManagerService.onTransact(ActivityManagerService.java:2208)
W/ActivityManager(28999): 	at android.os.Binder.execTransact(Binder.java:446)
I/ActivityManager(28999): Killing 2559:org.chromium.content_shell_apk:sandboxed_process0/u0a119i424 (adj 0): isolated not needed
W/libprocessgroup(28999): failed to open /acct/uid_10119/pid_2559/cgroup.procs: No such file or directory
E/lowmemorykiller(  171): Error opening /proc/2530/oom_score_adj; errno=2