Enable building SwiftShader for any Android target.
Enable building SwiftShader for any Android target.

Change-Id: Ifcfb673ed5f4c0eec0c24c829002aaf1b9870ad5
Reviewed-on: https://swiftshader-review.googlesource.com/5751
Reviewed-by: Meng-Lin Wu <8db901dcd7dd1adb8d526d603ba1000c36701fab@google.com>
Reviewed-by: Bo Hu <ebffee6bd97c38a860b94af3e3266be6e69b2c5f@google.com>
Reviewed-by: Nicolas Capens <0612353e1fcebbfd4b302d9337447ca0cdfa9122@google.com>
Tested-by: Nicolas Capens <0612353e1fcebbfd4b302d9337447ca0cdfa9122@google.com>

google/swiftshader,google/swiftshader,bkaradzic/SwiftShader,bkaradzic/SwiftShader,bkaradzic/SwiftShader,bkaradzic/SwiftShader,bkaradzic/SwiftShader,google/swiftshader