msm8974: Update blobs

Change-Id: I6f1b429f4ec509b50ba7630ed508d4cf16adfccf
Add back PPPreference

Change-Id: I4149f9c86b45a74cabc4d3859f130379935f6f93

Conflicts:
	msm8974-common/Android.mk
	msm8974-common/msm8974-common-vendor.mk