bootanimation: build 32-bit if 64-bit gl libraries are not available
bootanimation: build 32-bit if 64-bit gl libraries are not available

Set LOCAL_32_BIT_ONLY if TARGET_32_BIT_SURFACEFLINGER is set.

Change-Id: I76396cc9fe3fe45d1e98a44bf911d6e70922555a

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base