[googletest] Suppress -Wdeprecated-declarations in tests

googletest renamed some API functions, but BoringSSL hasn't moved
forward. Rather than fork the BoringSSL code for such a small reason
(TEST_CASE->TEST_SUITE), just disable that warning (in test code only)
for now.

INTK-682 #comment [googletest] Suppress -Wdeprecated-declarations in tests

Test: CQ
Change-Id: I079b6c42123d9a52d1b9c581fa5e31c761c2a23c
1 file changed