Uprev libchrome to r576279 (1/many)

This patch brings the latest and greatest features of libchrome to
android. It contains ~2600 patches.
Reason for uprev: libbluetooth want to use some of the most recent
features avaliable.

Test: libchrome_test
Change-Id: Iccdec267948daab29e6328694f4c7d2f71ea26ca
Merged-In: Iccdec267948daab29e6328694f4c7d2f71ea26ca
(cherry picked from commit 6f1bdb66cbfa82333541d74221d55ffa319e7cd6)