Revert "Revert "libbinder: Flush excess refs after single async transaction""

This reverts commit 655d5710fdb42524376649df0ef9953437479cd6.

Reason for revert: fixed OnewayCallQueuingWithFds

Bug: 259517277
Test: binderRpcTestNoKernel --gtest_filter="*OnewayCallQueueingWithFds*" --gtest_repeat=10 --gtest_break_on_failure
Change-Id: I7c6440232dbed2b1b808de64ddb23a4292c96428
1 file changed