Tiny optimization for complier templates for arm.

1. Remove possible bubble in TEMPLATE_STRING_INDEXOF.S
2. Remove 1 instruction and reorder the opcodes
   TEMPLATE_MUL_LONG.S
3. Reorder ldr r2 instruction in TEMPLATE_RETURN.S

Change-Id: I571c1278aa72cb1e6dbc6efe433932d5e9591b80
Fix a leak in Dalvik_dalvik_system_DexFile_openDexFile

Change-Id: I2b394c620af31914606763b35847b7f412774cf4
Fix a minor leaks caused by failed initializations.(typo)

Change-Id: I62bc3ea48938a4f54e9f47218d4025e954a6d566
Fix a minor leak in handleVM_CreateString

Change-Id: I3273e5d2eb4621202837c43270a466fe056d6894
Dump native stacks for all threads in native code.

Bug: 7432159
Change-Id: I83cb530155edfc35ae3be0f7a2a044245223d2d5
Remove dead instruction in common_exceptionThrown.

Addresses bug: https://code.google.com/p/android/issues/detail?id=43920

Change-Id: Ie735222db17b883416543ca5617b4f02fd8a8d76