Merge "docs: Added note in getCacheDir() that developers can use directory obtained from getExternalCacheDir() to store app caches larger than 1 MB." into nyc-dev am: 996274a611 am: 984a4f8d63
am: 56c5b01e8b

Change-Id: I1a7c9d4fab03cc9e9e529368d45b300f69418b87