Update the logic to compress ANGLE's symbols for Android to correctly
include the necessary symbols.

Bug: angleproject:3448
Test: Build and install APK, verify symbols are present during crash
Change-Id: Ibb995aa775d47fb9921e4ab11b956c63ac474c30
Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1611750
Commit-Queue: Tim Van Patten <timvp@google.com>
Reviewed-by: Yuly Novikov <ynovikov@chromium.org>
Reviewed-by: Courtney Goeltzenleuchter <courtneygo@google.com>