Revert "Track CM external ffmpeg and stagefright-plugins"

This reverts commit f168b6682811a2b0d4d5e124c65d7edb08deed79.
Track CM external ffmpeg and stagefright-plugins

Signed-off-by: Carlo Savignano <stevewatersy@gmail.com>
Track some needed FS types from CM

Change-Id: I771d813998e50a42b3e628976c6038e64c1050dc
Track 'external_zlib' from cm

Change-Id: I9dbce20ca28509facc89b9d35a7045167c4f657e
Track 'e2fsprogs' from CM

Change-Id: I23ff738c3c67be56475d9da586833b517726bd62
Track 'external_chromium_org' from cm

fixes gms force closes

Change-Id: Ibb3be617d25452441c91e4a1a5e679b10c1f2134
Merge branch 'lollipop' of https://github.com/AOSPA-legacy/manifest into lollipop