Implement new MediaDrm methods

Methods for querying HDCP, security levels and
number of sessions

bug:64001680
bug:33657579

Test: cts: MediaDrmMockTest, ClearKeySystemTest
gts: GtsMediaTestCases

Change-Id: I7c84df02ec33d305b6bd5ac7479922f87aa64863
diff --git a/drm/libmediadrm/Android.bp b/drm/libmediadrm/Android.bp
index 0c14201..60060da 100644
--- a/drm/libmediadrm/Android.bp
+++ b/drm/libmediadrm/Android.bp
@@ -34,6 +34,7 @@
         "libstagefright_foundation",
         "libutils",
         "android.hardware.drm@1.0",
+        "android.hardware.drm@1.1",
         "libhidlallocatorutils",
         "libhidlbase",
         "libhidltransport",