Suppress implicit-fallthrough warnings.

Add FALLTHROUGH_INTENDED for clang compiler.

Bug: 112564944
Test: build with global -Wimplicit-fallthrough.
Change-Id: I40f8bbf94e207c9dd90921e9b762ba51abab5777
1 file changed
tree: 7b798c78002635606e2a8f341c2982857137bfec
  1. libbacktrace/
  2. libunwindstack/