aaudio: add checks for Binder return codes

Binder code was calling readInt32() but not checking the return code.

Bug: 139473816
Test: see bug for proof of concept
Test: atest CtsNativeMediaAAudioTestCases
Change-Id: I9246382b657c2a1213d27c66fc006578553f7b1e
Merged-In: I9246382b657c2a1213d27c66fc006578553f7b1e
1 file changed