media: Use @MainDex for MediaDrmBridge inner classes

media: Use @MainDex for MediaDrmBridge inner classes

This is required for Java classes running outside the browser process on
K- versions of Android.

BUG=605301
TEST=EME works on Android K device.

Review URL: https://codereview.chromium.org/1903343003

Cr-Commit-Position: refs/heads/master@{#388673}
(cherry picked from commit 1c451bc3643a0f6c19bfb0dd8307d08e50304d7e)

Committed: https://chromium.googlesource.com/chromium/src/+/c22f7fea5ab3d28400f6acb08d4d66b8f8c1c240

[xhwang, 2016-04-21 18:31:25]

Description was changed from

==========
media: Use @MainDex for MediaDrmBridge inner classes

This is required for Java classes running outside the browser process on
K- versions of Android.

BUG=605301
TEST=EME works on Android K device.

Review URL: https://codereview.chromium.org/1903343003

Cr-Commit-Position: refs/heads/master@{#388673}
(cherry picked from commit 1c451bc3643a0f6c19bfb0dd8307d08e50304d7e)
==========

to

==========
media: Use @MainDex for MediaDrmBridge inner classes

This is required for Java classes running outside the browser process on
K- versions of Android.

BUG=605301
TEST=EME works on Android K device.

Review URL: https://codereview.chromium.org/1903343003

Cr-Commit-Position: refs/heads/master@{#388673}
(cherry picked from commit 1c451bc3643a0f6c19bfb0dd8307d08e50304d7e)

Committed:
https://chromium.googlesource.com/chromium/src/+/c22f7fea5ab3d28400f6acb08d4d...
==========

[xhwang, 2016-04-21 18:31:27]

Committed patchset #1 (id:1) manually as
c22f7fea5ab3d28400f6acb08d4d66b8f8c1c240.