build: hide layer symbols in android build
authorMike Stroyan <stroyan@google.com>
Wed, 28 Sep 2016 20:58:52 +0000 (14:58 -0600)
committerMike Stroyan <stroyan@google.com>
Mon, 3 Oct 2016 22:35:25 +0000 (16:35 -0600)
commit7ffdecd92f68cdf70bdf8f14eed9fd84d22b9ac8
tree771fac36d96d420a22b872f143dad6b067b9b72b
parent13dac4b2f356843637e2c5e91e8c4d558d3d87ca
build: hide layer symbols in android build

Hide symbols from layers that don't need to be exported.
This makes libraries smaller.
It reduces symbol lookup time and call overhead.
It prevents possible symbol collisions.
build-android/jni/Android.mk