am dd6a5895: am e0030418: am bca9f1bb: sdk doc change for esr: updates for android 1.6 r2, tools r4, api levels.

Merge commit 'dd6a5895f1fe18fafdd78d96002618f2419f7979'

* commit 'dd6a5895f1fe18fafdd78d96002618f2419f7979':
  sdk doc change for esr: updates for android 1.6 r2, tools r4, api levels.