Add .thumb to RCTProfileTrampoline-arm.S

Reviewed By: jasonprado

Differential Revision: D3079658

fb-gh-sync-id: a5b1d877bd26186942e39e9efd97e7df4c07c36f
shipit-source-id: a5b1d877bd26186942e39e9efd97e7df4c07c36f

React/Profiler/RCTProfileTrampoline-arm.S

@@ -12,6 +12,7 @@
 
 #if RCT_DEV && defined(__arm__)
 
+  .thumb
 	.align 5
   .globl SYMBOL_NAME(RCTProfileTrampoline)
 SYMBOL_NAME(RCTProfileTrampoline):