Merge "Tracking number of threads in threadpools. Added tests for max total...

Merge "Tracking number of threads in threadpools. Added tests for max total thread count." am: 85f75bc9

Original change: https://android-review.googlesource.com/c/platform/frameworks/native/+/2072121



Change-Id: Ib0980dc7db45fd5801afa1ed4de13505421abe0a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>