Bug 980953 - Switch to using caf for the gtest repo since linaro is unreliable. r=mwu

Change-Id: Iae11262fa5cf9a10f0acb2d327b309376be87f1c
Merge pull request #156 from staktrace/peak

Bug 980953 - Switch to using caf for the gtest repo since linaro is unre...
Add flame manifest

Change-Id: I9275209586f19dcb3c5515b50b99dc183fc87677
Bug 987312 - Remove external/icu4c project for sp6821a