Do not force unwind info to debug_frame.

The .cfi_sections directive was forcing unwind information into the
debug_frame, which is stripped out. This causes any unwinds done by
libunwind/debuggerd through these art functions to terminate prematurely.

Bug: 15350524
Change-Id: Id6abe7c7106132083bc894a77564b652a08566cb
diff --git a/runtime/arch/arm/asm_support_arm.S b/runtime/arch/arm/asm_support_arm.S
index 594252a..c4f68af 100644
--- a/runtime/arch/arm/asm_support_arm.S
+++ b/runtime/arch/arm/asm_support_arm.S
@@ -26,7 +26,6 @@
 // Register holding Thread::Current().
 #define rSELF r9
 
-.cfi_sections   .debug_frame
 .syntax unified
 .arch armv7-a
 .thumb
diff --git a/runtime/arch/arm64/asm_support_arm64.S b/runtime/arch/arm64/asm_support_arm64.S
index b94375e..55de1ec 100644
--- a/runtime/arch/arm64/asm_support_arm64.S
+++ b/runtime/arch/arm64/asm_support_arm64.S
@@ -35,8 +35,6 @@
 #define xIP1 x17
 
 
-.cfi_sections   .debug_frame
-
 .macro ENTRY name
     .type \name, #function
     .global \name