Add missing TAG to log call in MediaDrmBridge.java

Introduced by http://crrev.com/c/1532984, likely because the presubmit
check fails to fire in cases where the "tag" argument to a log call
contains a space (see bug).

Bug: 1063573
Change-Id: I1e9b53a80faa45c422b9536fd8d7ac06a7f99b5d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2113491
Auto-Submit: Tomasz Śniatowski <tsniatowski@vewd.com>
Commit-Queue: John Rummell <jrummell@chromium.org>
Commit-Queue: Xiaohan Wang <xhwang@chromium.org>
Reviewed-by: John Rummell <jrummell@chromium.org>
Reviewed-by: Xiaohan Wang <xhwang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#752504}

media/base/android/java/src/org/chromium/media/MediaDrmBridge.java

@@ -419,7 +419,8 @@ private static int getFirstApiLevel() {
             final Method getInt = systemProperties.getMethod("getInt", String.class, int.class);
             firstApiLevel = (Integer) getInt.invoke(null, FIRST_API_LEVEL, 0);
         } catch (Exception e) {
-            Log.e("Exception while getting system property %s. Using default.", FIRST_API_LEVEL, e);
+            Log.e(TAG, "Exception while getting system property %s. Using default.",
+                    FIRST_API_LEVEL, e);
             firstApiLevel = 0;
         }
         return firstApiLevel;