Fix testClearKeyPlaybackCenc hanging on N and N-MR1 device.

This test is intended for N-MR2 and above. Add a check
to skip this test for device running earlier versions.

Test: CTS test on NYC, NYC-MR1, NYC-MR2 and O-MR1
  ANDROID_BUILD_TOP= ./android-cts/tools/cts-tradefed run cts -m
CtsMediaTestCases
  --test
android.media.cts.NativeClearKeySystemTest#testClearKeyPlaybackCenc

Test: Verify compareVersion() with these parameters
  compareVersion("7.1.2", "8.0");
  compareVersion("7.1.2", "7.0");
  compareVersion("7.1.2", "7.1.1");
  compareVersion("7.1.2", "7.1.0");
  compareVersion("7.1.2", "7.1.2.3");
  compareVersion("7.1.2", "8.1.");
  compareVersion("7.1.2", "8.1.0");
  compareVersion("7.1.2", "7.1.2");
  compareVersion("7.1.2", "7.1.2.");
  compareVersion("7.1.2", "OMR1");

bug: 63859551
bug: 63907994
Change-Id: I8581a77bde64c26fb9302df427efa4bea3da4e37
1 file changed