Link librt on the host when using sanitizers.
Link librt on the host when using sanitizers.

The sanitizers now use shared memory.

Change-Id: Ie8fa6690374eda08ee4138b68fd628ebbfa2d0c8

xorware/android_build,xorware/android_build,xorware/android_build,xorware/android_build,xorware/android_build