Reland "Add template arguments to MQDescriptor for AIDL" am: 1b2d0a6a13 am: 889a826008 am: cf91cd87f8

Original change: https://android-review.googlesource.com/c/platform/system/libfmq/+/1434352

Change-Id: I79fb26f32c64163b6ffce819f8c883fdba49bed6
tree: 87e883cb6c3be24c8abf0903f5c21f67aa4579aa
  1. base/
  2. benchmarks/
  3. include/
  4. tests/
  5. Android.bp
  6. EventFlag.cpp
  7. FmqInternal.cpp
  8. OWNERS
  9. PREUPLOAD.cfg
  10. TEST_MAPPING