bluedroid: Fix build with gcc 4.8+

Use -Wno-error=unused-parameter with gcc >= 4.8

Change-Id: I330a56b0363b90118628bc3b30451f8921ca6f60
Signed-off-by: Bernhard Rosenkränzer <Bernhard.Rosenkranzer@linaro.org>
Merge remote-tracking branch 'origin/cm-10.1' into cm-10.1-linaro
Merge remote-tracking branch 'origin/cm-10.1' into cm-10.1-linaro
Merge remote-tracking branch 'origin/cm-10.1' into cm-10.1-linaro
Merge remote-tracking branch 'origin/cm-10.1' into cm-10.1-linaro
Merge remote-tracking branch 'origin/cm-10.1' into cm-10.1-linaro
Merge remote-tracking branch 'origin/cm-10.1' into cm-10.1-linaro
Merge remote-tracking branch 'cm/cm-10.1' into cm-10.1-linaro
Turn off strict to fix tuna
If strict to fix manta