Revert "fix isoc++11 invalid conversions"

This reverts commit d9a3a906411637b7683d6abe32167c634441ba99.
Revert "MediaRecorder: fix isoc++11 invalid conversion errors"

This reverts commit 7bf6cb255e2c47a1c786d6277d547c2136a32acd.
frameworks/base: Fix build in ISO C++11 mode

Change-Id: I5d3ba44cc9faa5826a5a0a6b37c8f0eb2872e1ac
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>