apn updates for some Indian operators

Signed-off-by: ChampionSwimmer <android@championswimmer.tk>
Merge "apn updates for some Indian operators" into jb-mr1
respect $OUT_DIR_COMMON_BASE with squisher

If $OUT_DIR_COMMON_BASE is set, signapk.jar was
being called directly from $ANDROID_BUILD_TOP/out
and caused the build to fail.

Change-Id: I9f8bfb22140866bd2c91a675efa954433431220c
Signed-off-by: Roman Birg <romanbirg@gmail.com>
Merge remote-tracking branch 'aokp/jb-mr1' into jb-mr1

Conflicts:
	prebuilt/common/etc/apns-conf.xml
	tools/opticharger
	tools/squisher

Change-Id: I44e01d7db9efb930681ada6349e114f4c1566c0b