Revert "Themes: Avoid compiling icon packs every boot"

dont derp at cherry-picking!

This reverts commit 5c0395c4514b9db72260cf3b94c614195c306722.

Change-Id: I8070842275a94457a2cf62b4852215d4bb64c07c
Themes: Check CRC of APK MANIFEST.MF at install

Change-Id: I6ccfcd2b04107b85fe14cb678aad63443284353a
hwui: Always enable the scissor while composing layer

Due to scissor optimization feature added in KK, scissor was disabled
all the time. Hence the undefined areas/region of textures are not
masking properly with GL_LINEAR filter mode.

Change-Id: Ifbbde2c67a4c01e45eda07ada709e066255fffcb
CRs-fixed: 645077
Themes: Add categories to theme change intent.

The following categories are available:

org.cyanogenmod.intent.category.MODS_HOMESCREEN
org.cyanogenmod.intent.category.MODS_LOCKSCREEN
org.cyanogenmod.intent.category.MODS_ICONS
org.cyanogenmod.intent.category.MODS_FONTS
org.cyanogenmod.intent.category.MODS_BOOTANIM
org.cyanogenmod.intent.category.MODS_NOTIFICATIONS
org.cyanogenmod.intent.category.MODS_ALARMS
org.cyanogenmod.intent.category.MODS_RINGTONES
org.cyanogenmod.intent.category.MODS_OVERLAYS

Change-Id: Ic444278d1d712cb6207bb10574a471524a8fed41