Check just first char of the version string

PS2: Don't remove letters from version

Change-Id: I449d7c99f0c08f1a2f766240b4e0aed40ab7d629
Merge "Check just first char of the version string" into kitkat
Merge branch 'kitkat' of github.com:AOSPA/android_packages_apps_ParanoidOTA into kk4.4