Update build rules for compiler-rt merge to version 176091.

Change-Id: I17f4c807f11982e095994e3e0747483b32ffe453
diff --git a/README.android b/README.android
index c6199c1..3e2a226 100644
--- a/README.android
+++ b/README.android
@@ -14,7 +14,10 @@
 
 * For JellyBean: Synced to upstream r155350
 * For JellyBean MR1: Synced to upstream r162279
+* For Jellybean MR2: Synced to upstream r176091
 
+* Recent downstreaming on 2013/3/5: Synced to r176091 (Contact srhines for merge questions.)
+* Recent downstreaming on 2013/1/8: Synced to r171802 (Contact srhines for merge questions.)
 * Recent downstreaming on 2012/08/23: Synced to r162279 (Contact srhines for merge questions.)
 * Recent downstreaming on 2012/08/15: Synced to r159129 (Contact sliao for merge questions.)
 * Cherry-pick on 2012/07/27: https://llvm.org/svn/llvm-project/compiler-rt/trunk@160853 for ASan (Contact srhines for merge questions.)