Makes adb install -r the default behavior

This change ignores the -r indicator and only enforces that the
install be non-replacing when the -R flag is provided.

Change-Id: I9034ca06acbdaa99b458d4e6d8c3b379582b2bf0
Fixes: 30566724
Test: manual - ensured -r replaces and -R does not
1 file changed