These were previously used for background replacement effect, but it seems
like they aren't needed any more and just take up space in filesystem.
Change-Id: I0782ac0c8f109e4f28e9f43c20d30dc6ccd82ef7
Many media files and source code files were marked as executable in Git.
Remove those.
Also a shell script and python script were not marked as executable.
Change-Id: Ieb51bafb46c895a21d2e83696f5a901ba752b2c5
There are two sets of 480p videos.
The lower-quality videos are referenced in
VideoPackage1.mk, while higher-quality versions
are referenced in VideoPackage2.mk.
Change-Id: I4d1cec94b677a67abe0ccbbd9a7002995cfcf7bb