bind/java: remove android support library dependency in test
bind/java: remove android support library dependency in test

Remove the android support library dependency.

The Android build system assumes at least one resource, so
add a dummy string.

Change-Id: I7223b75709f1aa5907e6d04bc656eea5503bb640
Reviewed-on: https://go-review.googlesource.com/94195
Reviewed-by: Hyang-Ah Hana Kim <d7e82c3c07f92613bcbf9a1e88f6b96c13caa3b0@gmail.com>

golang/mobile,golang/mobile,golang/mobile,golang/mobile