Disable PGO for libhwbinder used in Android.mk

Bug: http://b/77320844

Android.mk doesn't have support for PGO either.  This causes linker
error (about missing __llvm_profile symbols) in the PGO-instrumentation
enabled builds in the release branch.

Test: m ANDROID_PGO_INSTRUMENT=ALL
Change-Id: I82ffcda4ce2429eb6252459b8e969f8b78e1f1c8
1 file changed