Allow using Classic WebView

Squashed commit of the following:

commit 1e64fc6008a5d00ef6a72b2a6f443019b261996a
Author: Chirayu Desai <cdesai@cyanogenmod.org>
Date:   Tue Nov 12 18:53:53 2013 +0530

    WebViewFactory: Re-add support for switching WebView.

    Change-Id: I6a4a62d64014a49e7bdf1bff3581aab79b680f15

commit 069b610aa0446eb4181b73484ce9619221c7d36a
Author: Chirayu Desai <cdesai@cyanogenmod.org>
Date:   Tue Nov 12 18:41:43 2013 +0530

    Revert "Delete the old WebView."

    This reverts commit 94c0057d67c2e0a4b88a4f735388639210260d0e.

commit 4f6f46a12f5c63100cbe7a582aff07a0529f1483
Author: Chirayu Desai <cdesai@cyanogenmod.org>
Date:   Tue Nov 12 18:41:39 2013 +0530

    Revert "Restore 4 classes that were accidentally deleted"

    This reverts commit 328dd7d7059c70b6776c6e29f9ea315f2f8aed3f.

Change-Id: Iba847a04b515cada0eb32cc86026b60469108d80

Revert "Remove old WebView classes from zygote preload list."

This reverts commit 6067d1a3c7033f6714a60ac02a6b08d6568fe217.

Change-Id: Iba847a04b515cada0eb32cc86026b60469108d80
Show notification dialog to choose USBMS/MTP/PTP mode if primary sdcard allows mass storage

Change-Id: Ic24b6bfa462145881545812d558057ee319143b4
Use persist.sys.force_highendgfx to control highend effects

This allows highend effects without forcing all applications to
use hardware acceleration, and maintains compatibility with CM11's
new property.

Change-Id: Icbfb0863fec66ed5d9555fa5b1ab8c2c62278327

Conflicts:
	core/java/android/app/ActivityManager.java
Re-add legacy soft-ap for kitkat (1/2)

Change-Id: Iae7d42ba06f546413d1f19a50ee363c74e8cea53
Re-add legacy soft-ap for kitkat (1/2)

Change-Id: Iae7d42ba06f546413d1f19a50ee363c74e8cea53
WebViewClassic does not support TEXT_AUTOSIZING layout mode

* Do nothing instead of throw an exception
* Fixes browser crash : http://review.cyanogenmod.org/#/c/58709/

Change-Id: Icb71d9c83b4a0dc2aed75a078ff064c16c4fb2fa
Re-arrange OOM killer to account for SERVICE_ADJ and PREVIOUS_APP_ADJ in slots

See: http://forum.xda-developers.com/showpost.php?p=50044022&postcount=1500

Change-Id: I360359c6f073aab7fd7b2e00afa72618120fe006