Merge "Explicitly document overcommit and `adb shell`'s use of oom_score_adj." am: 143f3cea32 am: f29bae24dc am: 8fee5d8740 am: 4e8a4d8858 am: 3e0bf34796

Original change: https://android-review.googlesource.com/c/platform/bionic/+/2638672

Change-Id: I524f209049d9095df4ec6792dc0757b7ba691300
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>