GN: Add resources for webrtc_perf_tests on Android
GN: Add resources for webrtc_perf_tests on Android

BUG=webrtc:6250
TBR=ehmaldonado@webrtc.org
NOTRY=True

Review-Url: https://codereview.webrtc.org/2271143003
Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#13885}

ShiftMediaProject/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc,ShiftMediaProject/libilbc,TimothyGu/libilbc