Fixed display of '2147483647' on statusbar

For telephony  network signal strength text view
for some invalid signal values instead of displaying
Integer max use -∞.

Change-Id: I93a16a3b16df7a18cc805356904ab9027e7d0aee
Automatic translation import

Change-Id: I2a439bab987da340f408e931ae14ead7e4d7dd0e
(cherry picked from commit db1663274c9a3985ef039e3030b0fbc1405961b9)
hwui: Fix a sporadic crash seen during CTS runs

 * It's possible (due to race conditions) that a patch might be
   scheduled for removal twice. Just print a warning and continue
   instead of asserting and crashing.

Change-Id: I42865f6717816a743cc49ba15b839e6c3b57ed83
(cherry picked from commit ddc230eaeef586cb8cf6fc128fd68268a6d6ffe4)
Merge remote-tracking branch 'upstream/stable/cm-11.0' into stable/cm-11.0