Build PacProcessor for 64 bit.

external/chromium-libpac can now build for 64 bit.

Change-Id: I0bfd068ef4ea7d57686f11b79c32803e38bab719
Merge "Build PacProcessor for 64 bit."
Updated Trace.h to recognize ATRACE_TAG_BIONIC.

Bug: 15116468
Change-Id: I6aef941c6b6bd59347855f7265e701a3aaa08edc
Merge "Updated Trace.h to recognize ATRACE_TAG_BIONIC."
Move to dalvik.vm.lib.2 to force default to libart

Bug: 14298175

(cherry-picked from commit 2ef5abb8d534f016582d6023054cbe69d8114b6b)

Change-Id: Icd91982c09076e87092906106cbff4a81589e8de
Merge "Move to dalvik.vm.lib.2 to force default to libart"
Introduce a new event: EVENT_DATA_RAT_CHANGED which is used to indicate data rat change.

Change-Id: Ibe9e68295661f2f2ffaca3057d696df6a1db3f0c
Merge "Introduce a new event: EVENT_DATA_RAT_CHANGED which is used to indicate data rat change."